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Editing: post-time-to-read.php
<?php /** * Server-side rendering of the `core/post-time-to-read` block. * * @package WordPress */ /** * Counts words or characters in a provided text string. * * This function currently employs an array of regular expressions * to parse HTML and count words, which may result in inaccurate * word counts. However, it is designed primarily to agree with the * corresponding JavaScript function. * * Any improvements in the word counting, for example with the HTML API * and {@see \IntlBreakIterator::createWordInstance()} should coordinate * with changes to the JavaScript implementation to ensure consistency * between the editor and the rendered page. * * @since 6.9.0 * * @param string $text Text to count elements in. * @param string $type The type of count. Accepts 'words', 'characters_excluding_spaces', or 'characters_including_spaces'. * * @return string The rendered word count. */ function block_core_post_time_to_read_word_count( $text, $type ) { $settings = array( 'html_regexp' => '/<\/?[a-z][^>]*?>/i', 'html_comment_regexp' => '/<!--[\s\S]*?-->/', 'space_regexp' => '/ | /i', 'html_entity_regexp' => '/&\S+?;/', 'connector_regexp' => "/--|\x{2014}/u", 'remove_regexp' => "/[\x{0021}-\x{0040}\x{005B}-\x{0060}\x{007B}-\x{007E}\x{0080}-\x{00BF}\x{00D7}\x{00F7}\x{2000}-\x{2BFF}\x{2E00}-\x{2E7F}]/u", 'astral_regexp' => "/[\x{010000}-\x{10FFFF}]/u", 'words_regexp' => '/\S\s+/u', 'characters_excluding_spaces_regexp' => '/\S/u', 'characters_including_spaces_regexp' => "/[^\f\n\r\t\v\x{00AD}\x{2028}\x{2029}]/u", ); $count = 0; if ( '' === trim( $text ) ) { return $count; } // Sanitize type to one of three possibilities: 'words', 'characters_excluding_spaces' or 'characters_including_spaces'. if ( 'characters_excluding_spaces' !== $type && 'characters_including_spaces' !== $type ) { $type = 'words'; } $text .= "\n"; // Replace all HTML with a new-line. $text = preg_replace( $settings['html_regexp'], "\n", $text ); // Remove all HTML comments. $text = preg_replace( $settings['html_comment_regexp'], '', $text ); // If a shortcode regular expression has been provided use it to remove shortcodes. if ( ! empty( $settings['shortcodes_regexp'] ) ) { $text = preg_replace( $settings['shortcodes_regexp'], "\n", $text ); } // Normalize non-breaking space to a normal space. $text = preg_replace( $settings['space_regexp'], ' ', $text ); if ( 'words' === $type ) { // Remove HTML Entities. $text = preg_replace( $settings['html_entity_regexp'], '', $text ); // Convert connectors to spaces to count attached text as words. $text = preg_replace( $settings['connector_regexp'], ' ', $text ); // Remove unwanted characters. $text = preg_replace( $settings['remove_regexp'], '', $text ); } else { // Convert HTML Entities to "a". $text = preg_replace( $settings['html_entity_regexp'], 'a', $text ); // Remove surrogate points. $text = preg_replace( $settings['astral_regexp'], 'a', $text ); } // Match with the selected type regular expression to count the items. return (int) preg_match_all( $settings[ $type . '_regexp' ], $text ); } /** * Renders the `core/post-time-to-read` block on the server. * * @since 6.9.0 * * @param array $attributes Block attributes. * @param string $content Block default content. * @param WP_Block $block Block instance. * @return string Returns the rendered post author name block. */ function render_block_core_post_time_to_read( $attributes, $content, $block ) { if ( ! isset( $block->context['postId'] ) ) { return ''; } $content = get_the_content(); $average_reading_rate = $attributes['averageReadingSpeed'] ?? 189; $display_mode = $attributes['displayMode'] ?? 'time'; $word_count_type = wp_get_word_count_type(); $total_words = block_core_post_time_to_read_word_count( $content, $word_count_type ); $parts = array(); // Add "time to read" part, if enabled. if ( 'time' === $display_mode ) { if ( ! empty( $attributes['displayAsRange'] ) ) { // Calculate faster reading rate with 20% speed = lower minutes, // and slower reading rate with 20% speed = higher minutes. $min_minutes = max( 1, (int) round( $total_words / $average_reading_rate * 0.8 ) ); $max_minutes = max( 1, (int) round( $total_words / $average_reading_rate * 1.2 ) ); if ( $min_minutes === $max_minutes ) { $max_minutes = $min_minutes + 1; } /* translators: 1: minimum minutes, 2: maximum minutes to read the post. */ $time_string = sprintf( /* translators: 1: minimum minutes, 2: maximum minutes to read the post. */ _x( '%1$s–%2$s minutes', 'Range of minutes to read' ), $min_minutes, $max_minutes ); } else { $minutes_to_read = max( 1, (int) round( $total_words / $average_reading_rate ) ); $time_string = sprintf( /* translators: %s: the number of minutes to read the post. */ _n( '%s minute', '%s minutes', $minutes_to_read ), $minutes_to_read ); } $parts[] = $time_string; } // Add "word count" part, if enabled. if ( 'words' === $display_mode ) { $word_count_string = 'words' === $word_count_type ? sprintf( /* translators: %s: the number of words in the post. */ _n( '%s word', '%s words', $total_words ), number_format_i18n( $total_words ) ) : sprintf( /* translators: %s: the number of characters in the post. */ _n( '%s character', '%s characters', $total_words ), number_format_i18n( $total_words ) ); $parts[] = $word_count_string; } $display_string = implode( '<br>', $parts ); $align_class_name = empty( $attributes['textAlign'] ) ? '' : "has-text-align-{$attributes['textAlign']}"; $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $align_class_name ) ); return sprintf( '<div %1$s>%2$s</div>', $wrapper_attributes, $display_string ); } /** * Registers the `core/post-time-to-read` block on the server. * * @since 6.9.0 */ function register_block_core_post_time_to_read() { register_block_type_from_metadata( __DIR__ . '/post-time-to-read', array( 'render_callback' => 'render_block_core_post_time_to_read', ) ); } add_action( 'init', 'register_block_core_post_time_to_read' );
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